NEC PD78F9488 - Manual (Page 92)

CHAPTER 4 PORT FUNCTIONS
92
User’s Manual U15331EJ4V1UD
Table 4-3. Port Mode Registers and Output Latch Settings When Using Alternate Functions
Alternate Function Pin Name
Name I/O
PM ×× P ××
P00 to P07 KR0 to KR7 or KR00 to KR07 Input 1 ×
INTP0 Input 1 ×
TO50 Output 0 0
P30
TMI60 Input 1 ×
INTP1 Input 1 × P31
TO60 Output 0 0
INTP2 Input 1 ×
TMI61 Input 1 ×
P32
TO61 Output 0 0
INTP3 Input 1 ×
CPT20 Input 1 ×
P33
TO20 Output 0 0
P34 RIN ( µ PD789489, 78F9489 only) Input 1 ×
Remark ×: don’t care
PM ××: Port mode register
P ××: Port output latch
Caution When port 2 is used for the interface, I/O and output latch settings must be made in accordance
with the function used. For the setting method, refer to Table 11-2 Serial Interface 20 Operation
Mode Settings and 12.3 (1) Serial operation mode register 1A0 (CSIM1A0).